How it works

Full brief coverage, but in a thong.

The patented winged gusset provides extra surface area and absorbency where you need it most.

Multi-Layered Technology

Inside, there’s a discreet absorbent layer system built to catch leaks, not attention.

Layer 1: Moisture-Wicking Cotton Gusset

Soft and breathable, this cotton layer sits closest to your skin and draws moisture away quickly, whether it’s from sweat, periods, or a bladder leak.

Layer 2 & 3: High-Performance Absorbent Core

Underneath, a built-in absorbent layer soaks up and locks away fluid, keeping you dry and confident no matter the movement.

Layer 4: Waterproof Outer Barrier

A thin, breathable membrane prevents leaks from escaping, so nothing shows through your tights, no matter how hard you train.

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Based on 72 reviews
89%
(64)
7%
(5)
1%
(1)
1%
(1)
1%
(1)
Game changer

Comfortable to wear and give you confidence to jump and skip without fear of leakage…. will be ordering again now I have tested them out and they work as described ☺️

Confidence booster!!

I’ve been struggling to lift heavy weights in fear of leakage, honestly wasn’t sure these would work for me but they’re an absolute game changer!! Gave me the confidence to lift heavy weights without the fear of leakage. Highly recommend to other women who let the fear of leakage hold them back!!

Double Undie Review (thong)

Happy with this product. I was sceptical at first but I was impressed with how well they worked. I had to visit a friend after tennis and could not change beforehand and was worried about leakage and smell, but neither were an issue. The large were a little snug but will purchase and XL. I am usually a size 14-16 undies. Thanks

So worth it!

I’ve been tossing up buying double undies for months and finally took the leap and can confirm they are an absolute game changer. They are so comfortable to wear, I feel so confident at the gym especially when lifting weights. I’m just disappointed I didn’t get a 3 pack as now I’m washing one pair daily to wear every time at the gym!

So comfy!

Just wot I needed for my workouts at F45! No more leaks on my tights, perfect.

Comfy and secure

Thort they might feel bulky. But not and so great to be a G so no lines in workout tights

Game Changer!!

As a mum of 3 I struggle with bladder incontinence sometimes during high intensity CrossFit workouts. I came across Double Undies on Instagram and thought I’d reach out to see if they would be any use to me. They were so helpful and prompt to reply that I ordered a pair and within a couple days they were in NZ. I tried them during my wod that had butterfly pull ups and double unders, and miracle! No wet tights and I was able to continue my workout knowing any leakage was contained. Definitely recommend, I’m going back to order more pairs as we speak!

Wish I purchased them sooner!

As a powerlifter I'd been struggling with leaks on those top sets. I'd hesitated in purchasing these as they are quite pricey and thongs aren't normally my go to. After having no success with afew other brands I took the plunge. My only regret is not buying them sooner! Super comfortable and do exactly what they're made to do. Fabulous product!

The perfect just in case undies! The first time I wore them there was skipping in my gym class and at that moment I knew they were perfect! Definitely will be ordering more and singing their praises to friends. They are much less bulky than any period indies I’ve owned before, very comfortable to workout in

So comfy!

Can’t believe how comfy protection can be! These thongs are great for everyday use and give me a good feeling all day. No more worries about leaking and no more einig to the toilet in mid training! I love them.

Game changer!

I have struggled for so long with leaking when running or even just walking, and it was so embarrassing. I wouldn’t wear anything on my bottom half except black because I didn’t feel confident. I honestly felt like I had tried everything. Then Double Undies were recommended to me — and they are truly game changing. I cannot believe how well they work. For the first time, I feel confident exercising again, and I’m even excited to try non-black workout shorts. I’m so happy there are no words!

Very comfortable!

I’ve worn these twice now and I haven’t been disappointed. They don’t move around or over-stretch during trainings. Highly recommended.

Great product

I'm new to the heavy lifting world, and the first time I leaked I was so embarassed! Luckily the alogrithm world read my mind (scarey how it does that) and Double Unidies came up on my feed. They have been a life saver, I feel confident and they are really comfortable. Would hightly recommend.

Yes please!

As a mum of 3 babies all natural birth within 22 months, I still struggle with leaking on box jumps and skipping after nearly 5 years! Traditionally I just wear leak undies, but they are really unflattering under my tights, and the bulky fredgie you get from box jumps is not the vibe im after haha. These are a great design, and really comfy- i dont even own any thongs apart from these but im sold

Leak proof Thong

These are definitely a game changer after having 5 kids. A must have in the gym for me. Would highly recommend these for peace of mind during those tougher workouts

My workouts saved

I’m finally happy to do skipping, jumping and all other movements without thinking I can’t do them as I will have leaky underwear. Thanks DU!! The best!

B
Speed Rope
Becks
Speed Rope

Amazing rope. Smooth and lightweight. Makes skipping much more manageable.
Paired with the double undies even better

Excited to skip at the gym again!

Had been waiting for a class with skipping to get my double undies on and today was the day! Was almost excited to pee 😄. I definitely did smile as it happened - over multiple rounds of skipping - as I felt secure and comfortable with no leakage. Game changer!

N
Leakproof Thong
Ngawaiata

I was skeptical at first about the undies hence why I only ordered 1 pack lol, I do CrossFit training and I’ve given birth naturally 6x so you can imagine how messed up that is down there haha, I love high impact activities and skipping, double unders etc. but with that, leakage is always going to happen,
(who has time to put on pads or liners lol) it made me feel self conscious to the point where i wouldn’t skip because i was frightened of leakage, But now there’s nothing holding me back these undies give me so much confidence and I love the thong style! Nobody likes the undies lines lol. After class im literally running to my other mum friends showing them how dry my crotch area is after the class hahahaha.

I Love them so much Thanks again for giving this mum the confidence in the gym

Squat with confidence

Love them, felt more confident squatting and deadlifting with them on. No more pad liners!!!

Brilliant running undies

Really comfortable and perfect on the long runs

E
Leakproof Thong
Elizabeth
Love them 100%

I was not quite sure about the thong design, but after wearing these I now understand the design concept. The thong offers support which I never knew that I needed. And also the side flaps, I thought would be obtrusive but actually they are perfectly designed. Love them 100%.

A
Leakproof Thong
Anonymous
Thrilled

Great product. Very clever design. Really pleased with the extra freedom. Thankyou. Looking forward to the full briefs too. I’m an oldie and it gets chilly in winter.

skipping rope

recommend this item, it makes skipping fun & smoother than regular ropes only problem now for me is I need the double undies

Lifesavers

Running long distances have never been such a breeze! IYKYK that sometimes on the downhills you get a-bit of leakage and these absolutely saved the day on race day. Helping this Māmā complete an ultra trail race without a worry in the world. Cheers double undies 🤙🏼

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